Indoor plants



The plant we are talking about in this study has something in common with the name of our sector of expertise, namely gardening. Not surprisingly, this species begins with the same suffix as the corresponding English word «garden», which means «garden». In fact, we are referring to the gardenia, an ornamental plant that is also very popular in our apartments. Gardenia is an easy plant to grow and if properly treated it can give beautiful blooms and interesting decorative effects. In its care, great attention must be paid to the quality and frequency of irrigation, but also to exposure and temperature. We will deal with these and other cultivation details in the following paragraphs.


Gardenia is an evergreen plant native to Asian countries. With a shrub or arboreal habit, this species includes about 250 varieties, some of which are also cultivated in Italy. The name of the plant derives from the Scottish naturalist Alexander Garden, who discovered it, classified it and introduced it to Europe. The gardenia belongs to the Rubiaceae family, a vast genus of trees and arboreal plants with a high ornamental value. The characteristics common to all the varieties of gardenia are lanceolate or oval leaves of a glossy and bright green color and double flowers with large and white petals. In nature, the gardenia, as already mentioned, can have a shrubby and arboreal bearing. The shrub varieties have a maximum height of two meters, while the arboreal ones reach about 15, 20 centimeters, presenting itself as small saplings. For its cultural needs, the gardenia is very suitable to be grown in pots and to be kept or moved indoors or in an apartment, in case of actual need. Among the main varieties of gardenia we mention the gardenia jasminoides, discovered by the naturalist Alexander Garden and abundantly cultivated also in Italy, the gardenia grandiflora, the gardenia amoena and the gardenia thunbergiana.


Gardenia jasminoides, originally from China and Japan, was imported to Europe at the end of the eighteenth century. Particularly suited to our climates, this shrubby variety has glossy leaves of intense green color and very fragrant white flowers reminiscent of those of the camellia. Gardenia grandiflora, native to Indochina, has narrow, lanceolate leaves and large, fragrant white flowers. Gardenia amoena, native to both China and India and Indochina, has dark green leaves, which rise from thorny branches, and large white flowers with slight pink veins. Gardenia thunbergiana, native to southern Africa, has deep green leaves gathered in groups of three or five and large candid white flowers.


The gardenia usually blooms between spring and summer. The first blooms begin in March, while others last between July and September. The variability of flowering depends on the species. Gardenia jasminoides, for example, blooms between June and September, as does the amoena variety; the grandiflora variety, on the other hand, from March to August. Finally, the gardenia thunbergiana has an early flowering between the end of winter and the beginning of spring.

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